Wall clock



FIG. 1 is a front elevational view of a wall clock showing our new design; the rear being flat, plain, and unornamented;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof, the left side being substantially a mirror image thereto;

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a wall clock, as shown. 